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MODBUS_WRITE_BIT(3)	       libmodbus Manual		   MODBUS_WRITE_BIT(3)

NAME
       modbus_write_bit	- write	a single bit

SYNOPSIS
       int modbus_write_bit(modbus_t *ctx, int addr, int status);

DESCRIPTION
       The modbus_write_bit() function shall write the status of status	at the
       address addr of the remote device. The value must be set	to TRUE	or
       FALSE.

       The function uses the Modbus function code 0x05 (force single coil).

RETURN VALUE
       The function shall return 1 if successful. Otherwise it shall return -1
       and set errno.

SEE ALSO
       modbus_read_bits(3) modbus_write_bits(3)

AUTHORS
       The libmodbus documentation was written by Stphane Raimbault
       <stephane.raimbault@gmail.com>

libmodbus v3.1.7		  04/12/2025		   MODBUS_WRITE_BIT(3)

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<https://man.freebsd.org/cgi/man.cgi?query=modbus_write_bit&sektion=3&manpath=FreeBSD+Ports+14.3.quarterly>

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